[INFO] fetching crate concrete-core-experimental 1.0.0-beta...
[INFO] checking concrete-core-experimental-1.0.0-beta against master#fd0c901b00ee1e08a250039cdb90258603497e20 for pr-153692
[INFO] extracting crate concrete-core-experimental 1.0.0-beta into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate concrete-core-experimental 1.0.0-beta
[INFO] finished tweaking crates.io crate concrete-core-experimental 1.0.0-beta
[INFO] tweaked toml for crates.io crate concrete-core-experimental 1.0.0-beta written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate concrete-core-experimental 1.0.0-beta on toolchain fd0c901b00ee1e08a250039cdb90258603497e20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding concrete-commons v0.2.0 (available: v0.2.1)
[INFO] [stderr]       Adding concrete-csprng v0.1.7 (available: v0.1.8)
[INFO] [stderr]       Adding concrete-fftw v0.1.2 (available: v0.1.4)
[INFO] [stderr]       Adding concrete-fftw-sys v0.1.2 (available: v0.1.4)
[INFO] [stderr]       Adding concrete-npe v0.2.1 (available: v0.2.2)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding fs_extra v1.2.0 (available: v1.3.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.0)
[INFO] [stderr]       Adding rand_distr v0.2.2 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kolmogorov_smirnov v1.1.0
[INFO] [stderr]   Downloaded concrete-npe v0.2.1
[INFO] [stderr]   Downloaded concrete-commons v0.2.0
[INFO] [stderr]   Downloaded concrete-csprng v0.1.7
[INFO] [stderr]   Downloaded concrete-fftw v0.1.2
[INFO] [stderr]   Downloaded concrete-fftw-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c404e239ebf819a2256c6ffb8c56de3fa27e5f1acecddbda686ed1f807f621
[INFO] running `Command { std: "docker" "start" "-a" "12c404e239ebf819a2256c6ffb8c56de3fa27e5f1acecddbda686ed1f807f621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c404e239ebf819a2256c6ffb8c56de3fa27e5f1acecddbda686ed1f807f621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c404e239ebf819a2256c6ffb8c56de3fa27e5f1acecddbda686ed1f807f621", kill_on_drop: false }`
[INFO] [stdout] 12c404e239ebf819a2256c6ffb8c56de3fa27e5f1acecddbda686ed1f807f621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6f8a9c76350044b09de50358670af4f73ced93a84fb4e4a22253d9c82702262
[INFO] running `Command { std: "docker" "start" "-a" "f6f8a9c76350044b09de50358670af4f73ced93a84fb4e4a22253d9c82702262", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking concrete-commons v0.2.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]    Compiling concrete-fftw-sys v0.1.2
[INFO] [stderr]     Checking concrete-csprng v0.1.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking kolmogorov_smirnov v1.1.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking concrete-npe v0.2.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f6f8a9c76350044b09de50358670af4f73ced93a84fb4e4a22253d9c82702262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f8a9c76350044b09de50358670af4f73ced93a84fb4e4a22253d9c82702262", kill_on_drop: false }`
[INFO] [stdout] f6f8a9c76350044b09de50358670af4f73ced93a84fb4e4a22253d9c82702262